IndustrialMuffin

I guess there was no good reason for trapping IOError for _read. I thought about folding Python 2 vs 3 case, but thought I'd leave the cases split up like...

I doubt it would work with os.O_RDONLY | os.O_BINARY since writing is required.

I think I tried different buffering options without success. When I get a chance I'll check it out. It probably was a python bug, and by now maybe the bug...